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논문검색

Original Article

Development of a voiding diary using urination recognition technology in mobile environment

원문정보

Gun Hyun Park, Su Jin Kim, Young Sam Cho

한국운동재활학회 JER Vol.16 No.6 2020.12 pp.529-533
피인용수 : 0(자료제공 : 네이버학술정보)

초록

영어

We invented a wearable device that can measure voiding time and fre-quency by checking a habitual series of characteristic motions among men. This study collected and analyzed urination time data collected smart bands worn by patients to resolve the clinical issues posed by using voiding charts. By developing a smart band-based algorithm for assessing urination time in patients, this study aimed to explore the fea-sibility of urination management systems. This study aimed to assess urination time based on a patient’s posture and changes in posture. Motion data were obtained from a smart band on the arm. An algorithm that identifies the three stages of urination (forward movement, urina-tion, backward movement) was developed based on data collected from a 3-axis accelerometer and tilt angle data. Therefore, we analyze hidden Markov model (HMM)-based sequential data to determine uri-nation time. Real-time data were acquired from the smart band. For data corresponding to a specific duration, the value of the signals was calculated and then compared with the set analysis model to calculate the time of urination. The final accuracy of the algorithm was calculated based on clinical guidelines for urologists. The experiment showed a high average accuracy of 92.5%, proving the robustness of the pro-posed algorithm. The proposed urination time recognition technology draws on acceleration data and tilt angle data collected via a smart band; these data were then analyzed using a classifier after applying the HMM method.

목차

Abstract
INTRODUCTION
MATERIALS AND METHODS
User-adaptable postprocessing model
Statistical analysis
RESULTS
DISCUSSION
CONFLICT OF INTEREST
ACKNOWLEDGMENTS
REFERENCES

저자정보

  • Gun Hyun Park Department of Urology, Gachon University Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
  • Su Jin Kim Department of Urology, Yonsei University Wonju College of Medicine, Wonju, Korea
  • Young Sam Cho Department of Urology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea

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